<template>
  <div class="commont-layout">
    <el-container>
      <el-header>顶栏</el-header>
      <el-container>
        <el-aside width="200px">侧边栏</el-aside>
      </el-container>
      <el-container>
        <el-main>主要</el-main>
        <el-footer>底部</el-footer>
      </el-container>
    </el-container>
  </div>
</template>

<style>
.el-header,
.el-footer {
  background-color: #55aa7f;
  color: var(--el-text-color-primary);
  text-align: center;
  line-height: 60px;
}

.el-aside {
  background-color: #f4ffaa;
  color: var(--el-text-color-primary);
  text-align: center;
  line-height: 200px;
}

.el-main {
  background-color: #e9eef3;
  color: var(--el-text-color-primary);
  text-align: center;
  line-height: 160px;
}

body>.el-container {
  margin-bottom: 40px;
}

.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
}
</style>